What is the cheapest airline that flies from Maine to Ontario?

Air Canada, Porter Airlines, and Air Transat are the most popular carriers operating from Maine to Ontario

How many flights depart from Maine to Region of Ontario on average per week?

The number of flights available between Maine and Region of Ontario is 226 per week as of November 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

How long is the flight from Maine to Region of Ontario?

Average flight duration from Maine to Region of Ontario depends on which airport you fly into and out of. Flying from Bangor to Toronto Pearson Intl Airport is 6h 13m on average, while flying from Portland to Toronto Pearson Intl Airport is 7h 14m on average. Toronto Pearson Intl Airport is the most popular airport in Region of Ontario.

When did momondo last update prices for flights from Maine to Ontario?

Prices for flights from Maine to Ontario are updated daily.

How many operators does momondo search for flights from Maine to Ontario?

There are 6 operators available for flights from Maine to Ontario as of November 2025.

How old do you have to be to fly from Maine to Ontario?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maine to Ontario.

What documentation or ID do you need to fly to Ontario?

The travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$86 Cheap Flights from Maine to Ontario in 2025/26

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Find the cheapest flights from Maine to Ontario

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 7:08 pmBOS-YTZ

3h 38m1 stop

2:05 pm - 6:10 pmYTZ-BOS

4h 05m1 stop

$228Porter Airlines

Find Deal

Fri, Jan 9 - Mon, Jan 12

9:00 am - 10:59 amBOS-YTZ

1h 59mnonstop

2:05 pm - 6:10 pmYTZ-BOS

4h 05m1 stop

$230Porter Airlines

Find Deal

Fri, Jan 9 - Mon, Jan 12

6:15 am - 8:17 amBOS-YYZ

2h 02mnonstop

8:55 pm - 10:37 pmYYZ-BOS

1h 42mnonstop

$237Air Canada

Find Deal

Thu, Nov 20 - Mon, Nov 24

6:15 am - 8:17 amBOS-YYZ

2h 02mnonstop

5:00 pm - 9:27 pmYYZ-BOS

4h 27m1 stop

$239Air Canada

Find Deal

Thu, Nov 20 - Mon, Nov 24

5:30 am - 9:55 amBOS-YTZ

4h 25m1 stop

2:05 pm - 6:11 pmYTZ-BOS

4h 06m1 stop

$244Multiple Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

11:08 am - 11:58 pmBOS-YOW

12h 50m1 stop

7:00 am - 10:03 amYOW-BOS

27h 03m3 stops

$246Multiple Airlines

Find Deal

Fri, Dec 12 - Sun, Dec 14

5:30 am - 4:35 pmPWM-YYZ

11h 05m1 stop

10:59 am - 11:43 pmYYZ-PWM

12h 44m1 stop

$447American Airlines

Find Deal

Sat, Jan 10 - Sun, Jan 11

5:30 am - 7:00 pmPWM-YYZ

13h 30m2 stops

5:15 pm - 12:06 pmYYZ-PWM

18h 51m1 stop

$457American Airlines

Find Deal

Sat, Jan 10 - Sun, Jan 11

6:00 am - 1:47 pmPWM-YUL

7h 47m1 stop

11:59 am - 4:32 pmYUL-PWM

4h 33m1 stop

$501Delta

Find Deal

Thu, Dec 18 - Thu, Dec 25

6:00 am - 1:47 pmPWM-YUL

7h 47m1 stop

2:37 pm - 11:21 pmYUL-PWM

8h 44m1 stop

$601Delta

Find Deal

Mon, Dec 8 - Fri, Dec 12

Air Canada flights from Maine to Region of Ontario

Our best Air Canada deals on Maine to Region of Ontario flight tickets

Air Canada

Nov 20

BOS6:15 amBoston Logan Intl

2h 02m

YYZ8:17 amToronto Pearson Intl

Nov 24

YYZ8:55 pmToronto Pearson Intl

1h 42m

BOS10:37 pmBoston Logan Intl

$237

Find similar

Air Canada

Nov 20

BOS6:15 amBoston Logan Intl

2h 02m

YYZ8:17 amToronto Pearson Intl

Nov 24

YYZ5:00 pmToronto Pearson Intl

4h 27m

1 stop

BOS9:27 pmBoston Logan Intl

$239

Find similar

Air Canada

Nov 20

BOS5:30 amBoston Logan Intl

6h 10m

1 stop

YYZ11:40 amToronto Pearson Intl

Nov 24

YYZ5:00 pmToronto Pearson Intl

4h 27m

1 stop

BOS9:27 pmBoston Logan Intl

$240

Find similar

American Airlines flights from Maine to Region of Ontario

Our best American Airlines deals on Maine to Region of Ontario flight tickets

American Airlines

Jan 10

PWM5:30 amPortland

11h 05m

1 stop

YYZ4:35 pmToronto Pearson Intl

Jan 11

YYZ10:59 amToronto Pearson Intl

12h 44m

1 stop

PWM11:43 pmPortland

$447

Find similar

American Airlines

Jan 10

PWM5:30 amPortland

13h 30m

2 stops

YYZ7:00 pmToronto Pearson Intl

Jan 11

YYZ5:15 pmToronto Pearson Intl

18h 51m

1 stop

PWM12:06 pmPortland

$457

Find similar

American Airlines

Jan 10

PWM5:30 amPortland

13h 30m

2 stops

YYZ7:00 pmToronto Pearson Intl

Jan 11

YYZ12:39 pmToronto Pearson Intl

11h 04m

2 stops

PWM11:43 pmPortland

$462

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 1/9

3:30 pm-7:08 pm

1 stop3h 38m

Toronto Island

Mon 1/12

2:05 pm-6:10 pm

1 stop4h 05m

$228

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 1/9

9:00 am-10:59 am

Nonstop1h 59m

Toronto Island

Mon 1/12

2:05 pm-6:10 pm

1 stop4h 05m

$230

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 11/20

6:15 am-8:17 am

Nonstop2h 02m

Toronto Pearson Intl

Mon 11/24

8:55 pm-10:37 pm

Nonstop1h 42m

$237

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 11/20

6:15 am-8:17 am

Nonstop2h 02m

Toronto Pearson Intl

Mon 11/24

5:00 pm-9:27 pm

1 stop4h 27m

$239

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 12/4

5:30 am-9:55 am

1 stop4h 25m

Toronto Island

Mon 12/8

2:05 pm-6:11 pm

1 stop4h 06m

$244

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 12/12

11:08 am-11:58 pm

1 stop12h 50m

Ottawa

Sun 12/14

7:00 am-10:03 am

3 stops27h 03m

$246

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 1/10

5:30 am-4:35 pm

1 stop11h 05m

Toronto Pearson Intl

Sun 1/11

10:59 am-11:43 pm

1 stop12h 44m

$447

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 1/10

5:30 am-7:00 pm

2 stops13h 30m

Toronto Pearson Intl

Sun 1/11

5:15 pm-12:06 pm

1 stop18h 51m

$457

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 12/18

6:00 am-1:47 pm

1 stop7h 47m

Montreal Pierre Elliott Trudeau Intl

Thu 12/25

11:59 am-4:32 pm

1 stop4h 33m

$501

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Mon 12/8

6:00 am-1:47 pm

1 stop7h 47m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

2:37 pm-11:21 pm

1 stop8h 44m

$601

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Maine to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Ontario?

The month of March is, on average, the cheapest month to fly to Region of Ontario from Maine, with most prices found around $360. If you aren’t able to travel during the month of March, then book flights to Region of Ontario from Maine during January instead. Flights to Region of Ontario in January, while not as cheap as those in March, still average around $398.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Saturday is the cheapest day to fly to Region of Ontario from Maine. The lowest ticket price found for a Saturday departure recently was $286. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Maine to Region of Ontario on a Friday will generally be more expensive and average around $591. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is in the afternoon. momondo users have found flights departing from Maine to Region of Ontario in the afternoon for as low as $457. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $500.

Can stopping save me money on Maine to Region of Ontario flights?

You could potentially save up to 26% on your flight if you consider stops on a Maine to Region of Ontario flight.

Cheap Maine to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to Region of Ontario

Fastest flight time	1h 21m
Direct flights	Every day
Airports in Region of Ontario	2 airports

The fastest flight from Maine to Region of Ontario takes 1h 21m

Direct flights go from Maine to Region of Ontario every day.

There are 2 airports near Region of Ontario: Ottawa (YOW), Montreal Pierre Elliott Trudeau Intl (YUL)

Search flight deals

When did momondo last update prices for flights from Maine to Ontario?
Prices for flights from Maine to Ontario are updated daily.
How many operators does momondo search for flights from Maine to Ontario?
There are 6 operators available for flights from Maine to Ontario as of November 2025.
How old do you have to be to fly from Maine to Ontario?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maine to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Maine to Ontario?

It is quick and easy to find Maine to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Maine to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from Maine on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Maine to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Maine.

I’m not ready to book a flight from Maine to Ontario right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Maine to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.